Arc 7 A770M vs Iris Plus Graphics 655

VS

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking669not rated
Place by popularitynot in top-100not in top-100
Power efficiency20.64no data
ArchitectureGeneration 9.5 (2016−2020)Generation 12.7 (2022−2023)
GPU code nameCoffee Lake GT3eDG2-512
Market segmentLaptopDesktop
Release date3 April 2018 (6 years ago)2022 (3 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3844096
Core clock speed300 MHzno data
Boost clock speed1050 MHz1650 MHz
Number of transistors189 million21,700 million
Manufacturing process technology14 nm+++6 nm
Power consumption (TDP)15 Watt120 Watt
Texture fill rate50.40422.4
Floating-point processing power0.8064 TFLOPS13.52 TFLOPS
ROPs6128
TMUs48256

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceRing BusPCIe 4.0 x16
Widthno dataIGP

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeSystem SharedGDDR6
Maximum RAM amountSystem Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared12 GB/s
Memory bandwidthno data384.0 GB/s
Shared memory+-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsPortable Device DependentNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync+no data

API and SDK compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.6
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.3

Pros & cons summary


Chip lithography 14 nm 6 nm
Power consumption (TDP) 15 Watt 120 Watt

Iris Plus Graphics 655 has 700% lower power consumption.

Arc 7 A770M, on the other hand, has a 133.3% more advanced lithography process.

We couldn't decide between Iris Plus Graphics 655 and Arc 7 A770M. We've got no test results to judge.

Be aware that Iris Plus Graphics 655 is a notebook card while Arc 7 A770M is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


Intel Iris Plus Graphics 655
Iris Plus Graphics 655
Intel Arc 7 A770M
Arc 7 A770M

Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.6 340 votes

Rate Iris Plus Graphics 655 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 52 votes

Rate Arc 7 A770M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.